it says "to mr. and mrs. mandela welcome home we love you we love you we love you". tonight the sign says "in memory of nelson mandela 1918-2013, he changed our world." and he certainly did. this evening, wolf, i have been going all throughout harlem and people have been telling me about their memories of nelson mandela. and even those who weren't old enough to remember him, coming here to harlem, they talked about studying him in school. and one young man saying, i didn't know anything about apartheid. i knew nothing about racism. one day we had this exercise in our class and someone taught me about nelson mandela. and it was then i knew that i had a voice. and that's the legacy that nelson mandela will leave on the world, wolf >> yes. he was released from prison in 1990, and he came to harlem not that long after. for that very important visit, don, thank you very much. we're joining now by cnn pioneer the veteran actor my former colleague bernard shaw who is here with us as well. bernie, thanks very much for coming in. you had a powerful interview in 1994 when you